Aluminum Alloy Suspended Aerosol Fire Extinguishing Device
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Detailed Description
I. Overview
The suspended aerosol fire suppression system is a new, environmentally friendly firefighting product of world‑class advanced standards. It is based on the third…
S A new high-tech green product further developed on the basis of aerosol technology. Colored fire protection products.
1 、 Product Features:
(1) Green and environmentally friendly product: excellent cleanliness; atmospheric ozone depletion potential index = 0 , global greenhouse effect Capability Index = 0 。
(2) Stainless steel alloy cylinders are corrosion-resistant, pressure-relief-free, and have no… Leakage, low maintenance.
(3) Certified through the Tianxiao Fire Testing and Certification.
(4) Fire suppression with no residue: 2um The following fire‑extinguishing agents, once released, disperse readily into the atmosphere. Their particulate load is even lower than the amount of dust that would naturally settle in an enclosed space over the course of a month.
(5) Compact and lightweight: It can reduce in volume and weight compared to other fire suppression systems. 90% , does not occupy the protected section.
(6) Easy to install: No high-pressure vessels or complex piping systems are required, saving space and reducing costly installation expenses. Cost of installation.
(7) Easy to design and widely adaptable.
(8) With a service life of up to 10 Year, superior to other types of fire extinguishing agents.
2 , Suspended-type aerosol fire suppression systems are suitable for extinguishing the following types of fires:
Construction Industry: High-Rise Buildings and Transformer/配电 Rooms in Industrial Buildings Library, archives, reference room, underground storage room, safe;
Telecommunications Industry: Telecom Equipment Rooms, Computer Rooms Communication base station Relay Station, Distribution Cabinet Data Processing Room, Remote Control Room, Precision Equipment Backup distribution cabinet;
Power Industry: Cable Tunnels Cable well Cable trench, confined spaces, generator room, insulating oil storage, substation UPS System Inside various power plant equipment;
Metallurgical Industry: Rolling Mill Equipment Room Electrical Basement of the Electronic Instrument Control Room Cable tray Cable tunnel Transformer room;
Petrochemical Industry: Flammable Liquid Storage Area – Change ( Match ) Electrical room Generator room Cable tunnel Cable well, distribution cabinet, switch Cabinet;
Transportation industry: locomotives, railway tracks, signal stations, substations, station signal towers, and highway signal stations. Automotive engine compartment, turbine room, ship’s engine room;
Other industries: CNC And other high-priced machines High-priced mobile devices;
3 Suspension-type aerosol fire suppression devices shall not be used in the following locations or for fires involving the following substances:
Explosion hazard area.
Oxidizing agents such as nitrocellulose.
Potassium and other reactive metals
Chemical fires involving self-decomposing substances such as hydrogen peroxide.
4.2 , Product Model:
Model number | Pharmaceutical weight (g) | Protection volume (m³) 3) | Release Time (s) | External dimensions (mm) |
QRR0.1GW/S-ZY | 100 | 0.1 |
≤30S
| Ø80*120 |
QRR0.15GW/S-ZY | 150 | 0.15 | Ø100*130 | |
QRR0.25GW/S-ZY | 250 | 0.25 | Ø125*155 | |
QRR0.3GW/S-ZY | 300 | 0.3 | Ø153*127 | |
QRR0.5GW/S-ZY | 500 | 0.5 | Ø198*127 |
5 、 Work Environment Requirements
Temperature range: -40~+70℃
Relative humidity: ≤ 95%RH
II. Working principle
Fire signals are detected by the fire alarm control panel or the gas fire suppression control system; upon detection of a fire, an activation signal is output.
Signal to the suspended aerosol fire suppression device, suspended aerosol fire suppression device After receiving the start signal, internally
The extinguishing agent is activated, rapidly generating a nano‑scale aerosol fire suppressant that is discharged to achieve rapid fire suppression.
III. Technical Specifications
Model number | QRR Type |
Startup method | Fire alarm interlock | DC3-24V/AC3-220V |
Installation method | L Stent fixation, 3M Rubber pad fixation | Thermal line self-startup | 160-180℃ | |
Nozzle temperature | ≤200 ℃ (nozzle 5mm place) | Injection time | ≤30S | |
Housing surface temperature | ≤ 100 °C | Actual fire-extinguishing effectiveness | ≤ 100g/m3 | |
Nozzle and personnel safety zone Distance to | 1.5m | Safety clearance between the nozzle and the fire‑fighting target | 0.3m | |
Feedback signal method | Normally open passive contact | Types of fires that can be extinguished | A , B , C Class | |
Minimum starting current | ≥ 250mA/5mS | Maximum safe current | ≤ 150mA/5min | |
Multi-device connection method | Series connection | Expiration Date | 10 year | |
IV. Installation and Commissioning
1 Installation Requirements for Suspended Aerosol Fire Extinguishing Devices
1 ) The installation of the product is not affected by its height or position.
2 ) No other items may be placed on the product.
3 ) It should not be installed near air intake vents, exhaust vents, doors, windows, or other openings.
4 ) It should not be installed in locations prone to rain, water splashing, or flooding.
2 , Installation method (bracket mounting and 3M Rubber pad fixation ):

Serial number | Name |
| Serial number | Name |
1 | Fire suppression system | 7 | L Type fixed support | |
2 | Connector | 8 | Flat washer | |
3 | Conductor | 9 | Spring washer | |
4 | Hoop clamp | 10 | Hex screw | |
5 | Connector 1 | 11 | 3M Rubber pad | |
6 | Connector 2 |
|
|
3 , See the figure for the fixing method. 1 (Adjustable up and down) 180 °Adjustment)

4 、 The fixed bracket is L Type; mounting hole spacing as shown in Figure 3. ; ( Unit: mm )

5、 U Installation of the type bracket (3000g Product )
1 , Installation of the clamp: During installation, the upper and lower mounting plates must be securely fastened to the upper and lower circular plates of the device to prevent vibration. The silk is loose,
The clamp should be secured with a spring clip and tightened using screws.
2 , Mounting bracket: a) The bracket is connected to the clamp to prevent vibration. The screws are loose; the clamp should be secured to the bracket with a spring clip.
Tighten the screws tightly;
b) The bracket is connected to the cabinet; to prevent vibration‑induced screw loosening, the cabinet and bracket are secured together. The connector should be secured with a spring clip and a screw.
Tight;

6 , Electrical Starting Wiring Diagram:
With feedback signal ( As shown in Figure 5. ) and without feedback signal ( As shown in Figure 6. )。

1 、2 The foot switch serves as the start button and is connected to the start terminal of the gas fire suppression control panel. Gas fire suppression controller activation The end must provide
DC 3~24V Voltage, current >1A , only then can the little whirlwind S The type of thermal aerosol fire suppression system is operating. 3 、4 Foot as feedback Foot, with feedback as a passive signal.

1 、2 The foot switch serves as the start button and is connected to the start terminal of the gas fire suppression control panel. Gas fire suppression controller activation The end must provide
DC 3~24V Voltage, current >1A . Only then can the little whirlwind S The type of thermal aerosol fire suppression system is operating.
VI. Precautions for Use and Operation
1 、 Before installing the suspended aerosol fire suppression system, carefully read the instruction manual; if anything is unclear, seek clarification promptly.
Consult our company’s technical staff;
2. The installation and commissioning of suspended-type aerosol fire suppression systems must be performed by personnel who have received specialized training.
3. After installation, suspended aerosol fire suppression devices shall not be moved at will.
4. In the event of a fire, all personnel on site must evacuate immediately, and during evacuation, they should close as many doors and windows as possible. Good doors and windows;
5. After the expiration date, the using unit shall contact the supplier for replacement. And recycle; unauthorized disassembly is strictly prohibited.
6. After discharge, if removal is required within a short period, high‑temperature‑resistant gloves must be worn to prevent burns.
7. Suspended aerosol fire suppression device, whether within or beyond its validity period , all of which must not be disassembled to prevent accidents.
8. Do not puncture the sealing gasket inside the nozzle; otherwise, the product’s shelf life will be affected, and the customer shall bear the responsibility. Our company will not…
Responsible.
9. Installed inside a high-voltage electrical cabinet, the suspended-type aerosol fire suppression device is positioned adjacent to energized components within the cabinet. The clearance shall comply with the safety distance requirements.
10. Installation of the product is strictly prohibited inside energized electrical cabinets.

Suspended Aerosol Fire Extinguishing Device | Frequently Asked Questions
Q1: Which protected areas are suitable for suspended aerosol fire suppression systems?
A1: Suitable for enclosed spaces such as distribution rooms, switchgear cabinets, energy storage compartments, and small computer rooms; effective for extinguishing initial electrical fires, but not suitable for fires involving reactive metals.
Q2: What are the characteristics of the installation method?
A2: It is installed using a suspended吊装 method, fixed to the ceiling of the protected area. No piping network or cylinder room is required, resulting in minimal space occupation and convenient installation.
Q3: What startup methods are available for the device?
A3: Supports automatic start-up via temperature control and can also be connected to a fire alarm system for signal‑based interlock activation.
Q4: Does the discharge leave any residue, and could it damage equipment?
A4: After extinguishing the fire, solid particulate residues remain; these must be cleaned up following firefighting. It is not recommended for use in ultra‑high‑precision cleanroom equipment.
Q5: How long is the product’s shelf life, and is a cylinder pressure test required?
A5: The reagent has a shelf life of typically 5 years. As it is a single-use, atmospheric-pressure device, it does not require hydrostatic testing and must be replaced in its entirety upon expiration.
Q6: Can the device be reused?
A6: Not reusable; once the discharge is triggered, the device is rendered unusable and must be replaced with a new unit.
Q7: Is the temperature high during discharge, and what safety precautions should be taken?
A7: The device is equipped with an integrated cooling system; however, it remains at a high temperature during discharge. Ensure adequate safety clearance during installation, and keep personnel away during operation.
Q8: Does ambient temperature affect the startup of the device?
A8: The product can reliably start within its specified operating temperature range; exceeding this range may compromise start-up reliability.
Q9: Is it permissible to disassemble this device without authorization?
A9: Disassembly is strictly prohibited; the device contains pyrotechnic materials, and disassembly carries risks of ignition and deflagration.
Q10: What routine maintenance checks should be performed?
A10: Regularly inspect the enclosure for damage, verify that the lifting points are secure, ensure wiring is intact, and confirm that the product is within its validity period.
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